Home > 2011 ICD-9-CM Diagnosis Codes > Diseases Of The Circulatory System 390-459 > Cerebrovascular Disease 430-438 > Other and ill-defined cerebrovascular disease 437-
2011 ICD-9-CM Diagnosis Code 437.3
Cerebral aneurysm nonruptured
- Short description: Nonrupt cerebral aneurym.
- ICD-9-CM 437.3 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
- You are viewing the 2011 version of ICD-9-CM 437.3.
- More recent version(s) of ICD-9-CM 437.3: 2012 2013.
437.3 Alternative Terminology
- Aneurysm of internal carotid artery
- Aneurysm of intracranial portion of internal carotid artery
- Aneurysm of superficial temporal artery
- Aneurysm, internal carotid artery
- Aneurysm, internal carotid artery, intracranial portion
- Aneurysm, superficial temporal artery
437.3 Excludes 

Applies To
- Internal carotid artery, intracranial portion
- Internal carotid artery NOS
Convert 437.3 to ICD-10-CM 

ICD-9-CM 437.3 converts approximately to:
- 2013 ICD-10-CM I67.1 Cerebral aneurysm, nonruptured
ICD-9-CM Volume 2 Index entries containing back-references to 437.3:
- Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (ruptured) (saccular) (varicose) 442.9

arteriovenous (congenital) (peripheral) NEC (see also Anomaly, arteriovenous) 747.60
brain 437.3
arteriosclerotic 437.3

ruptured (see also Hemorrhage, subarachnoid) 430

arteriovenous 747.81

berry (congenital) (ruptured) (see also Hemorrhage, subarachnoid) 430

congenital 747.81


ruptured (see also Hemorrhage, subarachnoid) 430

meninges 437.3

ruptured (see also Hemorrhage, subarachnoid) 430

miliary (congenital) (ruptured) (see also Hemorrhage, subarachnoid) 430

mycotic 421.0


ruptured (see also Hemorrhage, subarachnoid) 430

nonruptured 437.3
ruptured (see also Hemorrhage, subarachnoid) 430


syphilitic 094.87

syphilitic (hemorrhage) 094.87

traumatic - see Injury, intracranial
carotid artery (common) (external) 442.81
cavernous sinus (see also Aneurysm, brain) 437.3
- Fistula (sinus) 686.9

ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 437.3 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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